Expertise lies within the area of market dynamics, competition and monopoly, and pricing issues.

Testimony and consulting have been made for court cases, congressional and parliamentary inquires, and administrative proceedings in the North America and Europe.

Issues under litigation in court cases for which testimony and consulting has been offered have included horizontal integration, monopolization, abuse of dominant market position, unfair trade practices, block booking, predatory pricing, price fixing, and restraint of trade.

Policy and regulatory debates in which testimony and consulting have been offered have included Congressional review of the Newspaper Preservation Act, newspaper-broadcast cross ownership rules, and vertical and horizontal integration in the cable industry. Consultations and expert advice have also been given in parliamentary and other governmental inquiries regarding broadcast regulation, concentration, pluralism, and newspaper subsidies in Austria, Canada, Finland, France, Lithuania, Netherlands, Norway, Sweden, the United Kingdom, and the United States.